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6387042 |
Apparatus aiding physiologic systolic and diastolic dynamics of cardiac cavities
Apparatus aiding physiologic systolic and diastolic dynamics of heart cavities designed to assist the systolic contraction of the heart ventricles, and to simultaneously or alternatively regulating...
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6387037 |
Implantable heart assist system and method of applying same
An extracardiac pumping system and method for using it supplement the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's...
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6375607 |
Magnetically suspended fluid pump and control system
A blood pump for assisting a heart is provided having a stator and a rotor. The rotor is magnetically radially supported creating a suspension gap between the stator and the rotor. The rotor can be...
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6370429 |
Defibrillating cardiac constraint
A device for treating cardiac disease of a heart includes a jacket of flexible material defining a volume between an open upper end and a lower end. The jacket is dimensioned for an apex of the...
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6368083 |
Sealless rotary blood pump
An implantable rotary sealless blood pump includes a housing having an inlet tube on one end and an impeller casing on the other end. A rotor is mounted for rotation within the housing, with the...
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6361519 |
Mesh tip myocardial implant
A method and apparatus for performing coronary artery bypass surgery establishes a channel leading directly from a chamber of a heart into a coronary artery. The coronary artery bypass procedure...
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6354814 |
Device for conversion of a unidirectional rotational motion into reciprocating back and forth motion and pump device comprising same
The inventive device consists of a disk which can be rotated around a central axis, a wobble pin which is mounted in the disk so that can rotate around an axis which is arranged at an angle in...
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6350248 |
Expandable myocardial implant
A method and apparatus for performing coronary artery bypass surgery establishes a channel leading directly from a chamber of a heart into a coronary artery. The coronary artery bypass procedure...
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6346120 |
Auxiliary artificial heart of an embedded type
An artificial heart has a driving section, a nozzle section, a pump section for insertion into a ventricle of a human heart, and a sealing section forming a seal for a driving shaft extending from...
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6346071 |
Inflow conduit assembly for a ventricular assist device
An inflow conduit assembly for conducting blood from a ventricle to a Ventricular Assistance Device (VAD) is provided. The assembly includes a rigid tube including an angled heart engaging end for...
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6344022 |
Right ventricular bypass devices and methods of their use during heart surgery
During coronary artery bypass grafting (CABG) surgery in cases when cardio-pulmonary bypass is not used, at times when the heart is manipulated or lifted the inflow to the right ventricle may be...
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6342071 |
Ambulatory blood pump
A blood pump intended to be carried by a freely moving patient uses perpendicular magnetic and electrical fields to propel blood. A rod mounted coaxially inside a tube has electrodes in blood...
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6336939 |
Auxiliary artificial heart of an embedded type
An artificial heart has a driving section, a nozzle section, a pump section for insertion into a ventricle of a human heart, and a sealing section forming a seal for a driving shaft extending from...
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6332864 |
Heart wall tension reduction apparatus
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
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6332863 |
Heart wall tension reduction kit
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
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6309341 |
Method for constructing an organ of an animal by employing bands with electromagnetic actuators
An internal organ of a person is artificially contracted by a band implanted around the organ. The band has two ends which are coupled together by an electromagnetic actuator. When an electric...
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6302910 |
Auxiliary artificial heart of an embedded type
An artificial heart has a driving section, a nozzle section, a pump section for insertion into a ventricle of a human heart, and a sealing section forming a seal for a driving shaft extending from...
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6299575 |
Implantable heart assist system
An extracardiac pumping system for supplementing the circulation of blood through a patient without any component thereof being connected to the patient's heart, and method of using same. The...
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6296605 |
High-pressure drive system
A high pressure inflation system for driving an inflatable heart assistance device. The system includes a fluid source for supplying a fluid at a relatively high pressure and a compression tank...
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6293906 |
Delivery of cardiac constraint jacket
A cardiac constraint jacket is formed of flexible material defining a volume between an open upper end and a lower end. The jacket is dimensioned for an apex of a patient's heart to be inserted...
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6293901 |
Magnetically suspended fluid pump and control system
A blood pump for assisting a heart is provided by a stator and a rotor. The rotor is magnetically supported creating a suspension gap between the stator and the rotor. The rotor can be supported...
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6290640 |
Uncoupled rotary linear pump
A fluid pump includes a piston mounted in a housing. A check valve is disposed in the piston for controlling fluid flow. A linear motor joins the piston and housing for axial oscillation of the...
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6290639 |
Conduit for a mechanical circulatory device
A conduit assembly is provided for attachment to a Mechanical Circulatory Device (MCD) having an orifice surrounded by an orifice rim and a blood bag for forming a blood chamber in the MCD. The...
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6280377 |
System for treating congestive heart failure
A system is provided for regulating blood flow to a portion of the vasculature, such as the renal system, in order to treat heart disease. A regulator maintains blood flow so as to control...
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6264602 |
Stress reduction apparatus and method
The device and method for reducing heart wall stress. The device can be one which reduces wall stress throughout the cardiac cycle or only a portion of the cardiac cycle. The device can be...
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6264601 |
Implantable ventricular assist device
An implantable ventricular assist device (VAD) has a small size to provide full-implantable capabilities. The VAD has two variable-volume chambers and an actuator for expelling blood from the...
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6261222 |
Heart wall tension reduction apparatus and method
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
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6260552 |
Transventricular implant tools and devices
A method and implantation tools for placing a transventricular splint including a tension member. The method includes gaining access to the patient's hearts and identifying entry or exit points for...
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6258021 |
Intrapericardial assist method
A surgical method for assisting cardiac function utilizes a balloon initially in a collapsed configuration. The balloon is inserted onto an intrapericardial space about a patient's heart and is...
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6251061 |
Cardiac assist device using field controlled fluid
A cardiac assist device and method of use for assisting the function of a heart. The assist device includes a compressor positioned against the epicardial wall of the heart and a field generator...
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6245007 |
Blood pump
A blood pump comprising a pump mechanism having an outer sleeve, an inner sleeve, and an impeller. The pump mechanism is movable between a closed and preferably retracted position wherein one or...
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6244835 |
Blood pump having a magnetically suspended rotor
A blood pump preferably has a magnetically suspended rotor that rotates within a housing. The rotor may rotate about a stator disposed within the housing. Radial magnetic bearings may be defined...
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6241652 |
Fluid circulator for nonlinear compliant circuits
Flow in nonlinearly compliant leaky fluid circuits is controlled by alteration of control variables in fluid pathways external to the leaky circuits. In analogous practical applications, blood flow...
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6238334 |
Method and apparatus for assisting a heart to pump blood
A ventricular cuff is designed to assist a heart to pump blood by applying uniform pressure to a majority portion of an exterior ventricular surface of the heart. A heart engaging structure is...
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6237398 |
System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels
The present invention provides a system and method of quantifying flow, detecting a location of an obstruction and quantifying a degree of the obstruction in a pipe characterized in pulsatile flow....
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6221104 |
Anterior and interior segment cardiac restoration apparatus and method
The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch is...
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6206820 |
Device for supporting cardiac function having elastic filling chambers
A device for assisting the functioning of a heart has elastic filling chambers attached to an elastic cover which can be placed at least partially around the heart. The filling chambers can be...
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6201329 |
Pump having magnetic bearing for pumping blood and the like
In order to provide a blood pump bearing having a suitable stiffness, magnetic rings for a journal bearing are provided on each of the stationary portion and the rotor and disposed in magnetically...
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6200260 |
Implantable heart assist system
An extracardiac pumping system for supplementing the circulation of blood through a patient without any component thereof being connected to the patient's heart, and method of using same. The...
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6190408 |
Device and method for restructuring the heart chamber geometry
A static device for use with the heart that has a plurality of members configured to be positioned adjacent the epicardial surface of the heart. The members are joined by at least one connector...
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6190319 |
Self calibrating linear position sensor
A rotor is disposed coaxially in a tubular housing and spaced therefrom to define a gap for receiving a fluid. An ultrasonic transducer is mounted at one end of the housing in alignment with a...
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6183412 |
Implantable pump system
A controller module for an implantable pump system which has a pump motor includes a processor, a motor controller electrically coupled to the processor and adapted to power the pump motor such...
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6183411 |
External stress reduction device and method
An external heart wall stress reduction apparatus is provided to create a heart wall shape change. The device is generally disposed to the exterior of a heart chamber to reshape the chamber into a...
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6176848 |
Intravascular blood pump
A blood pump having a motor housing and a pump housing which are rigidly connected to one another in an axially spaced relationship. Both housings are of substantially the same diameter and are...
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6169922 |
Defibrillating cardiac jacket with interwoven electrode grids
A device for treating cardiac disease of a heart includes a jacket of flexible material defining a volume between an open upper end and a lower end. The jacket is dimensioned for an apex of the...
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6168624 |
Apparatus and methods for revascularization and perfusion
The invention is practiced by introducing a catheter (10)into the left ventricle of the heart. Deployment of an intraventricular pump assembly (12) from the end of catheter (10) is carried out by...
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6165120 |
Heart wall tension reduction apparatus and method
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
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6165119 |
Heart wall tension reduction apparatus and method
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
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6162168 |
Heart wall tension reduction apparatus
An apparatus for treatment of a failing heart by reducing the wall tension therein. In one embodiment, the apparatus includes a tension member for drawing at least two walls of a heart chamber...
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6162167 |
Blood pump device having a journal
A blood pump device which includes a blood pump having blood transport ports and cannulae connected to the ports. The blood pump device also includes a coating material covering the junction...
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